Liu Changjiang, male, born in 1962, has a bachelor's degree in agriculture, a researcher and a tutor for master students. Mainly engaged in crop physiological ecology and cultivation, soil improvement research. He has presided over and participated in many projects such as the important direction project of knowledge innovation of Chinese Academy of Sciences, the national tenth five-year plan scientific and technological research project, the major scientific research project of Heilongjiang Province, the key research project of Harbin, and the innovative talent fund. Many technical achievements have been made in high-yield cultivation of rice and soybean, soilless cultivation of vegetables, improvement and utilization of saline-alkali soil, etc. He has published more than 3 academic papers, participated in 1 monograph, won 5 invention patents (2 authorized) and won 1 third prize for scientific and technological progress in Heilongjiang Province.